2x^2=-7x-5

Simple and best practice solution for 2x^2=-7x-5 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 2x^2=-7x-5 equation:


Simplifying
2x2 = -7x + -5

Reorder the terms:
2x2 = -5 + -7x

Solving
2x2 = -5 + -7x

Solving for variable 'x'.

Reorder the terms:
5 + 7x + 2x2 = -5 + -7x + 5 + 7x

Reorder the terms:
5 + 7x + 2x2 = -5 + 5 + -7x + 7x

Combine like terms: -5 + 5 = 0
5 + 7x + 2x2 = 0 + -7x + 7x
5 + 7x + 2x2 = -7x + 7x

Combine like terms: -7x + 7x = 0
5 + 7x + 2x2 = 0

Factor a trinomial.
(5 + 2x)(1 + x) = 0

Subproblem 1

Set the factor '(5 + 2x)' equal to zero and attempt to solve: Simplifying 5 + 2x = 0 Solving 5 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2x = 0 + -5 2x = 0 + -5 Combine like terms: 0 + -5 = -5 2x = -5 Divide each side by '2'. x = -2.5 Simplifying x = -2.5

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {-2.5, -1}

See similar equations:

| 2x^2=-7v-5 | | -7x-35=-x+67 | | 0.1x=100 | | (b-7)*(b-2)=0 | | 5x^2-25x+30=30 | | 10x=1000 | | 12x+5+13x-2=180 | | -77-6x=55+5x | | -23y(y+7)=0 | | -11+2x=8+x | | =2*5 | | (a-9)*(a-5)=0 | | 6x-4=36 | | 9x^2-6xy+y^2-81= | | (w-8)*(w+2)=0 | | 9x^2-xy+y^2-81= | | x^2-3w-18=0 | | (x+6)*(x-8)=0 | | X^2=-10x-16 | | x^2-2x+y^2=0 | | -62+5x=x+26 | | (z+2)*(z-6)=0 | | W^2-3w-18=0 | | 600x=100*50 | | 5x-65=100-6x | | 2x^2-8x+k=0 | | 5x-22=-5x+26 | | 30x(x-3)=0 | | 4(0)=-y+4 | | 4(-1)=-y+4 | | in(e^12x)=60 | | 6x-5=10+3x |

Equations solver categories